The value of APTw CEST MRI in routine clinical assessment of human brain tumor patients at 3T
Background. With fast-growing evidence in literature for clinical applications of chemical exchange saturation transfer (CEST) magnetic resonance imaging (MRI), this prospective study aimed at applying amide proton transfer-weighted (APTw) CEST imaging in a clinical setting to assess its diagnostic...
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| Hauptverfasser: | , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
14 February 2022
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| In: |
Diagnostics
Year: 2022, Jahrgang: 12, Heft: 2, Pages: 1-11 |
| ISSN: | 2075-4418 |
| DOI: | 10.3390/diagnostics12020490 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3390/diagnostics12020490 Verlag, lizenzpflichtig, Volltext: https://www.mdpi.com/2075-4418/12/2/490 
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| Verfasserangaben: | Julia P. Lingl, Arthur Wunderlich, Steffen Goerke, Daniel Paech, Mark E. Ladd, Patrick Liebig, Andrej Pala, Soung Yung Kim, Michael Braun, Bernd L. Schmitz, Meinrad Beer and Johannes Rosskopf |
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| 245 | 1 | 4 | |a The value of APTw CEST MRI in routine clinical assessment of human brain tumor patients at 3T |c Julia P. Lingl, Arthur Wunderlich, Steffen Goerke, Daniel Paech, Mark E. Ladd, Patrick Liebig, Andrej Pala, Soung Yung Kim, Michael Braun, Bernd L. Schmitz, Meinrad Beer and Johannes Rosskopf |
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| 520 | |a Background. With fast-growing evidence in literature for clinical applications of chemical exchange saturation transfer (CEST) magnetic resonance imaging (MRI), this prospective study aimed at applying amide proton transfer-weighted (APTw) CEST imaging in a clinical setting to assess its diagnostic potential in differentiation of intracranial tumors at 3 tesla (T). Methods. Using the asymmetry magnetization transfer ratio (MTRasym) analysis, CEST signals were quantitatively investigated in the tumor areas and in a similar sized region of the normal-appearing white matter (NAWM) on the contralateral hemisphere of 27 patients with intracranial tumors. Area under curve (AUC) analyses were used and results were compared to perfusion-weighted imaging (PWI). Results. Using APTw CEST, contrast-enhancing tumor areas showed significantly higher APTw CEST metrics than contralateral NAWM (AUC = 0.82; p < 0.01). In subgroup analyses of each tumor entity vs. NAWM, statistically significant effects were yielded for glioblastomas (AUC = 0.96; p < 0.01) and for meningiomas (AUC = 1.0; p < 0.01) but not for lymphomas as well as metastases (p > 0.05). PWI showed results comparable to APTw CEST in glioblastoma (p < 0.01). Conclusions. This prospective study confirmed the high diagnostic potential of APTw CEST imaging in a routine clinical setting to differentiate brain tumors. | ||
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